{"book":"adl0290","page":173,"text":"علم حساب ۱\n۱۶۶\n\nضرب را بر ۴ تقسیم کنید - و اگر مربع گز را به مربع\nپول تحویل کردن مطلوب باشد مربع گز را در ۴\nضرب نموده حاصل ضرب را بر ۱۲۱ تقسیم کنید :\nمثال ۱ ۲ ایکرڈ ۱ روڈ ۱۳ مربع پول ۱۲ مربع\nگز ۷ مربع فٹ را به مربع انچ تحویل کنید :-\nمربع فٹ مربع گز مربع پول روڈ ایکرڈ\n۲ - ۱ - ۱۳ - ۱۲ - ۷\n۴\n۹ روڈ\n۴۰\n۳۷۳ مربع پول\n۱۱\n۴۱۰۳\n۱۱\n۴۵۱۳۳ (۴ چهارم حصه)\nمربع انچ مربع فٹ مربع گز\n(چواکه ربع مربع گز = ۲ مربع فٹ - ۳۶ مربع انچ) ۳۶ - ۲ + ۳ ۸ ۱۱۲\n۱۲ + ۷\nمربع انچ مربع فٹ\n۳۶ - ۹ + ۱۱۲۹۵ مربع گز\n۹\n۱۰۱۶۶۴ مربع فٹ\n۱۴۴\n۱۲۱۹۹۶۸\n۱۴۴\n۱۷۵۶۷۵۳۹۲ مربع انچ\nجواب","chars":534,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00173.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/173","canvas":"https://afghanpress.org/iiif/adl0290/canvas/173","source":"https://afghanistandl.nyu.edu/books/adl0290/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0290_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}